Gaya APA

Pharmacopeia, U. (2009). USP 32 NF 27 2009 volume 1 : The Official Compendia Of Standards (Volume 1). Baltimore, Maryland: United Book Press.

Gaya MLA

Pharmacopeia, U.S. "USP 32 NF 27 2009 volume 1 : The Official Compendia Of Standards". Volume 1 Baltimore, Maryland: United Book Press, 2009. Text.